Commit 576680cd authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

media: atomisp: hmm_bo: untag user pointers 



The kernel ABI was extended to allow pass tagged user pointers.

Untag the pointers in this function.

Fixes: d9344522 ("uaccess: add noop untagged_addr definition")
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 08fef4fa

drivers/staging/media/atomisp/pci/hmm/hmm_bo.c

+3 −0
Original line number Diff line number Diff line
@@ -997,6 +997,9 @@ static int alloc_user_pages(struct hmm_buffer_object *bo, 
	 * Handle frame buffer allocated in other kerenl space driver

	 * and map to user space

	 */



	userptr = untagged_addr(userptr);



	if (vma->vm_flags & (VM_IO | VM_PFNMAP)) {

		page_nr = get_pfnmap_pages(current, current->mm,

					   (unsigned long)userptr,